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    <title>Transport Research International Documentation (TRID)</title>
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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>Transport Research International Documentation (TRID)</title>
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    <item>
      <title>GIS-BASED FREIGHT DENSITY AND CAPACITY MODELING</title>
      <link>https://trid.trb.org/View/472646</link>
      <description><![CDATA[This paper discusses the development of geographical information systems (GIS) based tools for use in the trucking industry.  The primary goals are to link the GIS with appropriate database information to support both operational and strategic decision making in both truckload (TL) and less-than-truckload (LTL) operations.  The GIS-based tools support three primary deliverables.  In the LTL industry, we have developed tools to support the determination of near-optimal locations for breakbulk terminals.  In the TL industry, we have developed tools to aid in the development of regularly scheduled capacity in the form of driving "lanes" in an effort to regularize the driving job and to improve service in that industry.  For both industries, we have made use of regression analysis to determine the level to which we can make use of demographic information to predict freight density.  For all three deliverables, the GIS software system supports the key prerequisite of freight density analysis.  Also, the GIS platform provides excellent graphics capabilities for visualizing the various analyses and solutions.  The result is an integrated solution platform that enables the trucking industry to better utilize delivery capacity and to proactively seek solutions to problems of strategic importance.]]></description>
      <pubDate>Sun, 04 Feb 2001 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/472646</guid>
    </item>
    <item>
      <title>RIDING THE TECHNOLOGY WAVE</title>
      <link>https://trid.trb.org/View/487808</link>
      <description><![CDATA[Information technology (IT) has undergone sweeping transformations, from hardware to software.  This article discusses the effects of these changes on engineering offices. Hardware prices have fallen dramatically and allowed many firms to buy greater amounts of equipment, and of higher quality, than in recent years.  In addition, processor speeds continue to increase, allowing computer-aided design (CAD) and geographical information system (GIS) software to run faster.  Autodesk and Bentley, the providers of the two most popular CAD packages, have revamped their flagship products as each tries to distinguish itself.  Meanwhile, CAD users and producers also are considering using AutoCAD's DWG file format as an industry standard.  The OpenDWG Alliance attempts to follow in the footsteps of the OpenGIS Consortium by developing standards that will make engineering software packages easier to use and more compatible with one another.  Though Windows 98 will include tools to extend the power of machines now running Windows 95, many firms are planning to bypass this operating system and adopt Windows NT 5.0 after its scheduled release in 1999.  Greater sophistication in Internet software is altering it from an entertaining sideshow into a tool for project management and long-distance collaboration.]]></description>
      <pubDate>Tue, 11 Aug 1998 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/487808</guid>
    </item>
    <item>
      <title>A LANDSCAPE APPROACH TO EXAMINING THE IMPACTS OF ROADS ON THE ECOLOGICAL FUNCTION ASSOCIATED WITH WILDLIFE MOVEMENT AND MOVEMENT CORRIDORS: PROBLEMS AND SOLUTIONS</title>
      <link>https://trid.trb.org/View/475865</link>
      <description><![CDATA[This paper examines landscape ecology concepts associated with wildlife movement and the impacts of highways upon wildlife and wildlife habitat.  Discussion is centered around current efforts in Florida to address the impact of highways and human development upon the remaining natural landscape.  The program to establish ecological greenways in Florida is discussed with regard to the coordination with state highway planning to provide habitat corridors and wildlife crossing structures where greenways and highways intersect.  Research involving the use of Geographic Information System (GIS) technology to develop priorities for a statewide ranking for the construction of wildlife crossing structures is introduced.]]></description>
      <pubDate>Tue, 03 Feb 1998 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/475865</guid>
    </item>
    <item>
      <title>COMPUTATIONAL-PROCESS MODELLING OF TRAVEL DECISIONS: REVIEW AND CONCEPTUAL ANALYSIS</title>
      <link>https://trid.trb.org/View/472448</link>
      <description><![CDATA[Travel behavior entails several interrelated decisions made by people, as well as the execution of routines not preceded by deliberate decisions.  Furthermore, travel decisions are dependent on choices to participate in activities.  After a brief review of research aiming at describing activity/travel patterns and approaches in which activity/travel decisions are modelled by means of discrete-choice modelling techniques, a conceptual framework is proposed as a background to an evaluation of several computational-process models.  Further needed developments of these models are discussed, as well as the use of geographical information systems in their operationalization and application to traffic planning.]]></description>
      <pubDate>Thu, 15 Jan 1998 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/472448</guid>
    </item>
    <item>
      <title>CONTRIBUTIONS OF GIS TO ATIS</title>
      <link>https://trid.trb.org/View/472449</link>
      <description><![CDATA[Transportation planning has been turning away from the solutions of building highways and transit routes to changing people's travel choices and making more efficient use of existing facilities.  With the recent focus on Advanced Traveler Information Systems (ATIS), it is imperative to understand the travel behavior of people and the information required to change their travel choices.IVHS (Intelligent Vehicle Highway Systems) have aimed at the utilization of advanced information processing and communications technologies to achieve improvements in travel efficiency and safety.  as one of the major components of IVHS planning, ATIS essentially is targeted to assist drivers in trip planning and decision making on destination selection, departure time, route choices, congestion avoidance and navigation.  ATIS is to provide travel information for two types of traveler, namely, the pre-trip traveler and the en-route traveler.  It deals with spatial decision-making at an individual level.  The range of physical, environmental, behavioral, and decision making components required in the ATIS part of an IVHS lends itself to representation in a GIS. Although there are difficulties to be overcome in making such a system operational in real time, we feel the long run advantages of a GIS based ATIS will justify the needed basic research.]]></description>
      <pubDate>Thu, 15 Jan 1998 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/472449</guid>
    </item>
    <item>
      <title>MEASURING THE NEIGHBORHOOD BENEFITS OF RAIL TRANSIT ACCESSIBILITY</title>
      <link>https://trid.trb.org/View/578169</link>
      <description><![CDATA[For many Americans, living near high-quality rail transit stations provides an array of benefits.  The benefits arise from lower transportation expenses, changing development patterns, and other nonuse factors.  Automobile-centered development patterns increase congestion, sprawl, and pollution.  The benefits of transit-oriented neighborhoods are explored.  A hedonic price function is used to estimate property values and the effect of proximity to rail transit stations.  Geographical information system databases were used to calculate actual walking distances to transit, providing a much more accurate measure of the "proximity" variable than the usual measure of straight-line distance.  The results indicate that proximity to rail transit stations can be a significant source of benefit to residents within walking distance.  Whereas light rail transit stations in Portland, Oregon, indicate minimal effects, the magnitude of the benefits for the Bay Area Rapid Transit and New York City Metropolitan Transportation Authority stations, when compared with standard measures of transit benefits, indicate that benefits from transit exceed those attributable to transit use.]]></description>
      <pubDate>Mon, 17 Nov 1997 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/578169</guid>
    </item>
    <item>
      <title>INTELLIGENT TRANSPORTATION SYSTEMS PUBLICATIONS CATALOG</title>
      <link>https://trid.trb.org/View/573810</link>
      <description><![CDATA[Prepared by the Intelligent Transportation Systems Joint Program Office, DOT, this publication presents a brief introduction to the latest publications available on the subject of intelligent transportation systems.]]></description>
      <pubDate>Mon, 03 Nov 1997 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/573810</guid>
    </item>
    <item>
      <title>GIS-T DESIGN FOR INTELLIGENT TRANSPORTATION SYSTEMS (ITS) APPLICATIONS</title>
      <link>https://trid.trb.org/View/574705</link>
      <description><![CDATA[Traditionally, many transportation elements, such as highway agencies, railroad agencies, and emergency service, are being managed individually and operated as separate entities.  To improve future Intelligent Transportation Systems (ITS) user service, it is important to integrate the transportation of people, movement of goods, as well as provide information service seamlessly around each municipality community.  This paper describes a feasible system interface and information infrastructure design, applying the Geographical Information System (GIS) concept, to address future transportation information needs.  This paper is based on a study being developed as a part of the National GIS-T Demonstration Effort for both the Taiwan National Freeway Bureau (TANFB), and Ministry of Transportation and Communications (MOTC), Taiwan, R.O.C.  The GIS-T system currently under deployment will provide the integration of all available transportation related information services, better satisfy transportation management functions, and support the real-time community travel information service requirements.]]></description>
      <pubDate>Tue, 21 Oct 1997 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/574705</guid>
    </item>
    <item>
      <title>GEOGRAPHIC INFORMATION SYSTEMS: PROCEEDINGS OF SEMINAR J HELD AT THE PTRC EUROPEAN TRANSPORT FORUM, BRUNEL UNIVERSITY, ENGLAND, 2-6 SEPTEMBER 1996..</title>
      <link>https://trid.trb.org/View/562044</link>
      <description><![CDATA[No abstract provided.]]></description>
      <pubDate>Fri, 16 May 1997 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/562044</guid>
    </item>
    <item>
      <title>A GIS APPROACH TO ESTIMATING THE VALUE OF RAIL CAR ACCESSIBILITY FOR GRAIN SHIPMENTS</title>
      <link>https://trid.trb.org/View/465008</link>
      <description><![CDATA[This study's purpose is to empirically estimate the value of rail car accessibility to producers.  Changes in transportation flows for different levels of rail usage in the 20 county grain production region of Eastern Washington are also determined.  A transportation optimization model, implemented through a Geographical Information System (GIS) incorporating grain movements originating from 695 township centers and passing through over 400 grain elevators en route to final destinations is descriptively and analytically developed.  Impacts on producer's (private) cost of transportation are estimated. Producer's cost is estimated by constraining the volume of grain shipped on rail, thereby generating shadow prices reflecting the marginal value associated with relaxing rail constraints. Description of the data acquisition and modification procedures are first presented, followed by the transportation optimization model description.]]></description>
      <pubDate>Wed, 02 Oct 1996 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/465008</guid>
    </item>
    <item>
      <title>A GIS APPLICATION USED FOR HIGHWAY SAFETY STUDIES</title>
      <link>https://trid.trb.org/View/465012</link>
      <description><![CDATA[Accurate, meaningful, and timely safety information is needed for the optimization of highway safety programs.  Geographical information systems for transportation (GIS-T) can supply those highway safety information needs.  NCHRP Report 359 documents the development of a conceptual structure, implementation plan, and management guidelines for a GIS-T capable of supplying the highway safety information requirements for most transportation agencies.  The North Carolina Department of Transportation (NCDOT) used those concepts and guidelines to develop a GIS-T that visually identifies and displays accident patterns on the North Carolina highway system and was the primary objective for the research and development effort described in this paper.  A secondary research objective involved the testing and evaluation of the capability and suitability of Global Positioning System (GPS) technology to collect accident location data not presently contained in the NCDOT accident database.  A final research objective involved a software engineering effort to develop a microcomputer based accident analysis system that would be compatible with GIS/GPS technologies and the existing mainframe accident analysis system.]]></description>
      <pubDate>Wed, 02 Oct 1996 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/465012</guid>
    </item>
    <item>
      <title>IMPROVED CUSTOMER SERVICE AND AUTOMATED ROUTE VERIFICATION FOR THE ISSUANCE OF SPECIAL HAULING PERMITS BY THE NEW YORK STATE DEPARTMENT OF TRANSPORTATION</title>
      <link>https://trid.trb.org/View/460989</link>
      <description><![CDATA[This report presents a design for an electronic permit issuance system for overdimensional and/or overweight vehicles with nondivisible loads.  The system has been designed in collaboration with, and for use by, the New York State Department of Transportation (NYSDOT), but the major elements of the design (if not the specific details) should be transferrable to other states or agencies.  The effort in this project has focused both on improving the efficiency of the special hauling permitting processes of the NYSDOT and on improving the level of service offered to NYSDOT's customers -- truckers, construction companies, and others applying for permits.  The electronic system is designed to replace a largely manual system of data checking, route verification and permit issuance.  By linking personal computers at transmission companies (third parties that prepare and submit permit applications for truckers) directly to computers at NYSDOT and equipping these computers with automated route verification capability using a geographical information system (GIS), improved service can be offered at a reduced cost to the state.]]></description>
      <pubDate>Thu, 05 Sep 1996 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/460989</guid>
    </item>
    <item>
      <title>A SPATIOTEMPORAL REPRESENTATION OF TIME-DEPENDENT TRAFFIC DATA FOR INTELLIGENT TRANSPORTATION SYSTEMS APPLICATIONS</title>
      <link>https://trid.trb.org/View/463643</link>
      <description><![CDATA[In this paper we are concerned with the storage and representation of spatiotemporal traffic data required for Intelligent Transportation System applications.  Several data needs, specific for Intelligent Transportation System were identified and studied such as; link data, point data, zone data, and movement data.  We interfaced a Geographic Information System package (MAPINFO) with a traffic simulator (DYNASMART) to emulate the traffic data collection process from actual systems. Moreover, a special device was built based on a Global Positioning System and a Geographic Information System database and used as a probe for real-time data collection.  Data fusion issues are addressed such as the use of a road matching algorithm to filter inaccurate position data.  Issues of efficiently storing large quantities of collected time-dependent traffic data are also discussed; an innovative data storage approach is introduced that fits the time-dependent data to polynomial functions.  Finally, the issue of visualizing time dependent data is discussed.]]></description>
      <pubDate>Wed, 14 Aug 1996 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/463643</guid>
    </item>
    <item>
      <title>TOWARDS AN ECONOMY OF ELECTRONIC REPRESENTATION AND THE VIRTUAL SIGN.</title>
      <link>https://trid.trb.org/View/525391</link>
      <description><![CDATA[No abstract provided.]]></description>
      <pubDate>Thu, 18 Jul 1996 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/525391</guid>
    </item>
    <item>
      <title>SMALL-AREA GIS BASED CENSUS ANALYSES FOR TRANSPORTATION PROFESSIONALS</title>
      <link>https://trid.trb.org/View/458733</link>
      <description><![CDATA[Recent Geographical Information System (GIS) program price reductions and the distribution of 1990 Decennial Census data files and ancillary Topologically Integrated Geographic Encoding and Referencing (TIGER/Line) files on CD-ROM now allow a broader use of this information by transportation professionals in the private and public sectors. This paper identifies several examples of how "loosely coupled" programs running on a personal computer (PC) platform can be effectively utilized by transportation professionals to conduct a variety of transportation related census based analyses.]]></description>
      <pubDate>Mon, 22 Apr 1996 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/458733</guid>
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